stm32temp: libs/STM32F10x_StdPeriph_Lib_V3.5.0/Utilities/STM32_EVAL/STM3210C_EVAL/stm3210c_eval

annotate libs/STM32F10x_StdPeriph_Lib_V3.5.0/Utilities/STM32_EVAL/STM3210C_EVAL/stm3210c_eval_ioe.c @ 48:2f336d212c74

Ignore more emacs crap.

author	Daniel O'Connor <darius@dons.net.au>
date	Wed, 03 Apr 2013 23:33:47 +1030
parents	c59513fd84fb
children

rev	line source
0 c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	2 ******************************************************************************
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	3 * @file stm3210c_eval_ioe.c
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	4 * @author MCD Application Team
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	5 * @version V4.5.0
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	6 * @date 07-March-2011
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	7 * @brief This file includes the IO Expander driver for STMPE811 IO Expander
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	8 * devices.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	9 ******************************************************************************
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	10 * @attention
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	11 *
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	12 * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	13 * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	14 * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	15 * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	16 * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	17 * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	18 *
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	19 * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2>
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	20 ******************************************************************************
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	21 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	22
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	23 /* File Info : ---------------------------------------------------------------
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	24
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	25 Note:
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	26 -----
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	27 - This driver uses the DMA method for sending and receiving data on I2C bus
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	28 which allow higher efficiency and reliability of the communication.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	29
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	30 SUPPORTED FEATURES:
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	31 - IO Read/write : Set/Reset and Read (Polling/Interrupt)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	32 - Joystick: config and Read (Polling/Interrupt)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	33 - Touch Screen Features: Single point mode (Polling/Interrupt)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	34 - TempSensor Feature: accuracy not determined (Polling).
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	35
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	36 UNSUPPORTED FEATURES:
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	37 - Row ADC Feature is not supported (not implemented on STM3210C-EVAL board)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	38 ----------------------------------------------------------------------------*/
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	39
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	40 /* Includes ------------------------------------------------------------------*/
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	41 #include "stm3210c_eval_ioe.h"
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	42
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	43 /** @addtogroup Utilities
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	44 * @{
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	45 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	46
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	47 /** @addtogroup STM32_EVAL
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	48 * @{
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	49 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	50
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	51 /** @addtogroup STM3210C_EVAL
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	52 * @{
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	53 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	54
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	55 /** @defgroup STM3210C_EVAL_IOE
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	56 * @brief This file includes the IO Expander driver for STMPE811 IO Expander
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	57 * devices.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	58 * @{
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	59 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	60
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	61 /** @defgroup STM3210C_EVAL_IOE_Private_TypesDefinitions
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	62 * @{
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	63 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	64 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	65 * @}
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	66 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	67
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	68
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	69 /** @defgroup STM3210C_EVAL_IOE_Private_Defines
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	70 * @{
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	71 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	72 #define TIMEOUT_MAX 0x1000 /<! The value of the maximal timeout for I2C waiting loops /
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	73
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	74 #define TS_CONVERSION_DELAY 0x10000 /*<! The application should wait before ADC end of conversion.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	75 This delay depends on the system clock frequency, the value 0x10000
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	76 is selected for system clock equal to 72 MHz. For lower frequencies
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	77 please modify the delay accordingly. */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	78 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	79 * @}
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	80 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	81
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	82
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	83 /** @defgroup STM3210C_EVAL_IOE_Private_Macros
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	84 * @{
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	85 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	86 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	87 * @}
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	88 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	89
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	90
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	91 /** @defgroup STM3210C_EVAL_IOE_Private_Variables
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	92 * @{
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	93 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	94 TS_STATE TS_State; /<! The global structure holding the TS state /
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	95
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	96 uint32_t IOE_TimeOut = TIMEOUT_MAX; /<! Value of Timeout when I2C communication fails /
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	97
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	98 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	99 * @}
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	100 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	101
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	102
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	103 /** @defgroup STM3210C_EVAL_IOE_Private_FunctionPrototypes
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	104 * @{
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	105 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	106 static uint16_t IOE_TS_Read_X(void);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	107 static uint16_t IOE_TS_Read_Y(void);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	108 static uint16_t IOE_TS_Read_Z(void);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	109
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	110 static void IOE_GPIO_Config(void);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	111 static void IOE_I2C_Config(void);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	112 static void IOE_DMA_Config(IOE_DMADirection_TypeDef Direction, uint8_t* buffer);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	113 static void IOE_EXTI_Config(void);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	114
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	115 #ifndef USE_Delay
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	116 static void delay(__IO uint32_t nCount);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	117 #endif /* USE_Delay*/
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	118 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	119 * @}
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	120 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	121
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	122
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	123 /** @defgroup STM3210C_EVAL_IOE_Private_Functions
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	124 * @{
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	125 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	126
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	127
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	128 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	129 * @brief Initializes and Configures the two IO_Expanders Functionalities
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	130 * (IOs, Touch Screen ..) and configures all STM3210C-EVAL necessary
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	131 * hardware (GPIOs, APB clocks ..).
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	132 * @param None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	133 * @retval IOE_OK if all initializations done correctly. Other value if error.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	134 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	135 uint8_t IOE_Config(void)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	136 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	137 /* Configure the needed pins */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	138 IOE_GPIO_Config();
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	139
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	140 /* Configure the I2C peripheral */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	141 IOE_I2C_Config();
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	142
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	143 /* Read IO Expander 1 ID */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	144 if(IOE_IsOperational(IOE_1_ADDR))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	145 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	146 return IOE1_NOT_OPERATIONAL;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	147 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	148 if(IOE_IsOperational(IOE_2_ADDR))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	149 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	150 return IOE2_NOT_OPERATIONAL;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	151 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	152
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	153 /* Generate IOExpander Software reset */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	154 IOE_Reset(IOE_1_ADDR);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	155 IOE_Reset(IOE_2_ADDR);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	156
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	157 /* ---------------------- IO Expander 1 configuration --------------------- */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	158 /* Enable the GPIO, Touch Screen and ADC functionalities */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	159 IOE_FnctCmd(IOE_1_ADDR, IOE_IO_FCT \| IOE_TS_FCT \| IOE_ADC_FCT, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	160 /* Configure the VBAT pin in output mode pin*/
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	161 IOE_IOPinConfig(IOE_1_ADDR, VBAT_DIV_PIN , Direction_OUT);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	162 /* ENABLE the alternate function for IN1 pin */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	163 IOE_IOAFConfig(IOE_1_ADDR, VBAT_DIV_PIN, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	164
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	165 /* Apply the default state for the out pins */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	166 IOE_WriteIOPin(VBAT_DIV_PIN, BitReset);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	167 /* Configure the MEMS interrupt pins in Input mode */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	168 IOE_IOPinConfig(IOE_2_ADDR, (uint32_t)(MEMS_INT1_PIN \| MEMS_INT2_PIN), Direction_IN);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	169
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	170 /* ENABLE the alternate function for the Joystick pins */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	171 IOE_IOAFConfig(IOE_2_ADDR, (uint32_t)(MEMS_INT1_PIN \| MEMS_INT2_PIN), ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	172 /* Configure the IOs to detect Falling and Rising Edges */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	173 IOE_IOEdgeConfig(IOE_2_ADDR, (uint32_t)(MEMS_INT1_PIN \| MEMS_INT2_PIN), (uint32_t)(EDGE_FALLING \| EDGE_RISING));
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	174 /* Touch Screen controller configuration */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	175 IOE_TS_Config();
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	176
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	177 /* ------------------------------------------------------------------------ */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	178
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	179 /* ---------------------- IO Expander 2 configuration --------------------- */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	180 /* Enable the GPIO, Temperature Sensor and ADC functionalities */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	181 IOE_FnctCmd(IOE_2_ADDR, IOE_IO_FCT \| IOE_TEMPSENS_FCT \| IOE_ADC_FCT, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	182
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	183 /* Configure the Audio Codec Reset pin in output mode pin*/
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	184 IOE_IOPinConfig(IOE_2_ADDR, (uint32_t)(AUDIO_RESET_PIN), Direction_OUT);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	185 IOE_IOPinConfig(IOE_2_ADDR, (uint32_t)(MII_INT_PIN), Direction_IN);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	186
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	187 /* ENABLE the alternate function for IN1 pin */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	188 IOE_IOAFConfig(IOE_2_ADDR, (uint32_t)(AUDIO_RESET_PIN \| MII_INT_PIN), ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	189
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	190 /* Apply the default state for the out pins */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	191 IOE_WriteIOPin(AUDIO_RESET_PIN, BitReset);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	192 IOE_WriteIOPin(MII_INT_PIN, BitReset);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	193 /* Configure the Joystick pins in Input mode */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	194 IOE_IOPinConfig(IOE_2_ADDR, JOY_IO_PINS , Direction_IN);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	195
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	196 /* ENABLE the alternate function for the Joystick pins */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	197 IOE_IOAFConfig(IOE_2_ADDR, JOY_IO_PINS, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	198 /* Configure the IOs to detect Falling and Rising Edges */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	199 IOE_IOEdgeConfig(IOE_2_ADDR, JOY_IO_PINS, (uint8_t)(EDGE_FALLING \| EDGE_RISING));
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	200
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	201 /* Temperature Sensor module configuration */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	202 IOE_TempSens_Config();
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	203 /* ------------------------------------------------------------------------ */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	204
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	205 /* Configuration is OK */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	206 return IOE_OK;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	207 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	208
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	209 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	210 * @brief Configures The selected interrupts on the IO Expanders.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	211 * @param IOE_ITSRC_Source: the source of the interrupts. Could be one or a
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	212 * combination of the following parameters:
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	213 * @arg IOE_ITSRC_JOYSTICK: Joystick IO intputs.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	214 * @arg IOE_ITSRC_TSC: Touch Screen interrupts.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	215 * @arg IOE_ITSRC_INMEMS: MEMS interrupt lines.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	216 * @retval IOE_OK: if all initializations are OK. Other value if error.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	217 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	218 uint8_t IOE_ITConfig(uint32_t IOE_ITSRC_Source)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	219 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	220 /* Configure the Interrupt output pin to generate low level (INT_CTRL) */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	221 IOE_ITOutConfig(Polarity_High, Type_Level);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	222
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	223 /* Manage the Joystick Interrupts */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	224 if (IOE_ITSRC_Source & IOE_ITSRC_JOYSTICK)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	225 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	226 /* Enable the Global interrupt */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	227 IOE_GITCmd(IOE_2_ADDR, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	228
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	229 /* Enable the Joystick pins to generate interrupt (GPIO_INT_EN) */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	230 IOE_IOITConfig(IOE_2_ADDR, IOE_JOY_IT, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	231
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	232 /* Enable the Global GPIO Interrupt */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	233 IOE_GITConfig(IOE_2_ADDR, IOE_GIT_GPIO, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	234
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	235 /* Read the GPIO_IT_STA to clear all pending bits if any */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	236 I2C_ReadDeviceRegister(IOE_2_ADDR, IOE_REG_GPIO_INT_STA);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	237
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	238 /* Enable the Joystick pins to generate interrupt */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	239 IOE_IOITConfig(IOE_2_ADDR, IOE_JOY_IT, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	240
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	241 /* Read the GPIO_IT_STA to clear all pending bits if any */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	242 I2C_ReadDeviceRegister(IOE_2_ADDR, IOE_REG_GPIO_INT_STA);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	243 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	244
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	245 /* Manage the MEMS Interrupts lines */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	246 if (IOE_ITSRC_Source & IOE_ITSRC_INMEMS)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	247 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	248 /* Enable the Global interrupt */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	249 IOE_GITCmd(IOE_1_ADDR, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	250
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	251 /* Enable the pins to generate interrupt (GPIO_INT_EN) */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	252 IOE_IOITConfig(IOE_1_ADDR, IOE_INMEMS_IT, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	253
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	254 /* Enable the Global GPIO Interrupt */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	255 IOE_GITConfig(IOE_1_ADDR, IOE_GIT_GPIO, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	256
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	257 /* Read the GPIO_IT_STA to clear all pending bits if any */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	258 I2C_ReadDeviceRegister(IOE_1_ADDR, IOE_REG_GPIO_INT_STA);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	259
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	260 /* Enable the pins to generate interrupt */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	261 IOE_IOITConfig(IOE_1_ADDR, IOE_INMEMS_IT, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	262
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	263 /* Read the GPIO_IT_STA to clear all pending bits if any */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	264 I2C_ReadDeviceRegister(IOE_1_ADDR, IOE_REG_GPIO_INT_STA);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	265 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	266
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	267 /* Manage the Touch Screen Interrupts */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	268 if (IOE_ITSRC_Source & IOE_ITSRC_TSC)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	269 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	270 /* Enable the Global interrupt */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	271 IOE_GITCmd(IOE_1_ADDR, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	272
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	273 /* Enable the Global GPIO Interrupt */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	274 IOE_GITConfig(IOE_1_ADDR, (uint8_t)(IOE_GIT_TOUCH \| IOE_GIT_FTH \| IOE_GIT_FOV), ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	275
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	276 /* Read the GPIO_IT_STA to clear all pending bits if any */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	277 I2C_ReadDeviceRegister(IOE_1_ADDR, IOE_REG_GPIO_INT_STA);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	278 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	279
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	280 /* Configure the Interrupt line as EXTI source */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	281 IOE_EXTI_Config();
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	282
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	283 /* If all OK return IOE_OK */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	284 return IOE_OK;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	285 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	286
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	287 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	288 * @brief Writes a bit value to an output IO pin.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	289 * @param IO_Pin: The output pin to be set or reset. This parameter can be one
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	290 * of the following values:
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	291 * @arg AUDIO_RESET_PIN: Audio codec reset pin
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	292 * @arg MII_INT_PIN: Ethernet Phy MII interrupt pin
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	293 * @arg VBAT_DIV_PIN: Battery devider pin
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	294 * @param BitVal: The value to be set. This parameter can be one of the
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	295 * following values: BitSet or BitReset. See IOE_BitVal_TypeDef.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	296 * @retval IOE_OK or PARAM_ERROR
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	297 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	298 uint8_t IOE_WriteIOPin(uint8_t IO_Pin, IOE_BitValue_TypeDef BitVal)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	299 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	300 uint8_t DeviceAddr = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	301
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	302 /* Get the IO expander Address according to which pin is to be controlled */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	303 if (IO_Pin & IO1_OUT_ALL_PINS)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	304 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	305 DeviceAddr = IOE_1_ADDR;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	306 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	307 else if (IO_Pin & IO2_OUT_ALL_PINS)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	308 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	309 DeviceAddr = IOE_2_ADDR;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	310 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	311 else
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	312 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	313 return PARAM_ERROR;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	314 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	315
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	316 /* Apply the bit value to the selected pin */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	317 if (BitVal == BitReset)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	318 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	319 /* Set the register */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	320 I2C_WriteDeviceRegister(DeviceAddr, IOE_REG_GPIO_CLR_PIN, IO_Pin);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	321 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	322 else
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	323 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	324 /* Set the register */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	325 I2C_WriteDeviceRegister(DeviceAddr, IOE_REG_GPIO_SET_PIN, IO_Pin);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	326 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	327
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	328 return IOE_OK;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	329 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	330
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	331
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	332 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	333 * @brief Returns the status of the selected input IO pin.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	334 * @param IO_Pin: The input pin to be read. This parameter can be one
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	335 * of the following values:
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	336 * @arg MEMS_INT1_PIN: MEMS interrupt line 1.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	337 * @arg MEMS_INT2_PIN: MEMS interrupt line 2.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	338 * @arg JOY_IO_PINS: Joystick IO pins (use IOE_JoyStickGetState for these pins)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	339 * @retval None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	340 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	341 uint8_t IOE_ReadIOPin(uint32_t IO_Pin)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	342 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	343 uint8_t DeviceAddr = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	344 uint8_t tmp = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	345 if (IO_Pin & IO1_IN_ALL_PINS)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	346 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	347 DeviceAddr = IOE_1_ADDR;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	348 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	349 else if (IO_Pin & IO2_IN_ALL_PINS)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	350 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	351 DeviceAddr = IOE_2_ADDR;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	352 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	353 else
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	354 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	355 return PARAM_ERROR;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	356 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	357
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	358 /* Get all the Pins status */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	359 tmp = I2C_ReadDeviceRegister(DeviceAddr, IOE_REG_GPIO_MP_STA);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	360 if ((tmp & (uint8_t)IO_Pin) != 0)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	361 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	362 return BitSet;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	363 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	364 else
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	365 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	366 return BitReset;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	367 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	368 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	369
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	370
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	371 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	372 * @brief Returns the current Joystick status.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	373 * @param None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	374 * @retval The code of the Joystick key pressed:
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	375 * @arg JOY_NONE
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	376 * @arg JOY_SEL
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	377 * @arg JOY_DOWN
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	378 * @arg JOY_LEFT
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	379 * @arg JOY_RIGHT
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	380 * @arg JOY_UP
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	381 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	382 JOYState_TypeDef
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	383 IOE_JoyStickGetState(void)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	384 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	385 uint8_t tmp = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	386 /* Read the status of all pins */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	387 tmp = (uint32_t)I2C_ReadDeviceRegister(IOE_2_ADDR, IOE_REG_GPIO_MP_STA);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	388
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	389 /* Check the pressed keys */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	390 if ((tmp & JOY_IO_NONE) == JOY_IO_NONE)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	391 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	392 return (JOYState_TypeDef) JOY_NONE;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	393 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	394 else if (!(tmp & JOY_IO_SEL))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	395 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	396 return (JOYState_TypeDef) JOY_SEL;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	397 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	398 else if (!(tmp & JOY_IO_DOWN))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	399 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	400 return (JOYState_TypeDef) JOY_DOWN;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	401 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	402 else if (!(tmp & JOY_IO_LEFT))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	403 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	404 return (JOYState_TypeDef) JOY_LEFT;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	405 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	406 else if (!(tmp & JOY_IO_RIGHT))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	407 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	408 return (JOYState_TypeDef) JOY_RIGHT;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	409 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	410 else if (!(tmp & JOY_IO_UP))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	411 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	412 return (JOYState_TypeDef) JOY_UP;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	413 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	414 else
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	415 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	416 return (JOYState_TypeDef) JOY_NONE;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	417 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	418 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	419
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	420 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	421 * @brief Returns Status and positions of the Touch screen.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	422 * @param None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	423 * @retval Pointer to TS_STATE structure holding Touch Screen information.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	424 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	425 TS_STATE* IOE_TS_GetState(void)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	426 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	427 uint32_t xDiff, yDiff , x , y, count;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	428 static uint32_t _x = 0, _y = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	429
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	430 /* Check if the Touch detect event happenned */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	431 TS_State.TouchDetected = (I2C_ReadDeviceRegister(IOE_1_ADDR, IOE_REG_TSC_CTRL) & 0x80);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	432
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	433 /* Wait till end of ADC conversion */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	434 for (count = TS_CONVERSION_DELAY; count > 0; count--);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	435
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	436 if(TS_State.TouchDetected)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	437 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	438 x = IOE_TS_Read_X();
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	439 y = IOE_TS_Read_Y();
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	440 xDiff = x > _x? (x - _x): (_x - x);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	441 yDiff = y > _y? (y - _y): (_y - y);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	442 if (xDiff + yDiff > 5)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	443 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	444 _x = x;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	445 _y = y;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	446 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	447 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	448 /* Update the X position */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	449 TS_State.X = _x;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	450
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	451 /* Update the Y position */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	452 TS_State.Y = _y;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	453
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	454 /* Update the Z Pression index */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	455 TS_State.Z = IOE_TS_Read_Z();
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	456
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	457 /* Clear the interrupt pending bit and enable the FIFO again */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	458 I2C_WriteDeviceRegister(IOE_1_ADDR, IOE_REG_FIFO_STA, 0x01);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	459 I2C_WriteDeviceRegister(IOE_1_ADDR, IOE_REG_FIFO_STA, 0x00);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	460
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	461 /* Return pointer to the updated structure */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	462 return &TS_State;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	463 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	464
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	465 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	466 * @brief Returns the temperature row value (in 16 bit format).
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	467 * @param None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	468 * @retval The temperature row value.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	469 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	470 uint32_t IOE_TempSens_GetData(void)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	471 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	472 static __IO uint32_t tmp = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	473
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	474 /* Aquire data enable */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	475 I2C_WriteDeviceRegister(IOE_2_ADDR, IOE_REG_TEMP_CTRL, 0x03);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	476
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	477 /* Enable the TEMPSENS module */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	478 tmp = (uint32_t)((I2C_ReadDeviceRegister(IOE_2_ADDR, IOE_REG_TEMP_DATA) & 0x03) << 8);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	479 tmp \|= (uint32_t)I2C_ReadDeviceRegister(IOE_2_ADDR, IOE_REG_TEMP_DATA + 1);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	480
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	481 tmp = (uint32_t)((33 * tmp * 100) / 751);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	482 tmp = (uint32_t)((tmp + 5) / 10);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	483
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	484 /* return the temprature row value */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	485 return tmp;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	486 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	487
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	488 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	489 * @brief Checks the selected Global interrupt source pending bit
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	490 * @param DeviceAddr: The address of the IOExpander, could be : IOE_1_ADDR
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	491 * or IOE_2_ADDR.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	492 * @param Global_IT: the Global interrupt source to be checked, could be:
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	493 * @arg Global_IT_GPIO : All IOs interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	494 * @arg Global_IT_ADC : ADC interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	495 * @arg Global_IT_TEMP : Temperature Sensor interrupts
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	496 * @arg Global_IT_FE : Touch Screen Controller FIFO Error interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	497 * @arg Global_IT_FF : Touch Screen Controller FIFO Full interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	498 * @arg Global_IT_FOV : Touch Screen Controller FIFO Overrun interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	499 * @arg Global_IT_FTH : Touch Screen Controller FIFO Threshold interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	500 * @arg Global_IT_TOUCH : Touch Screen Controller Touch Detected interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	501 * @retval Status of the checked flag. Could be SET or RESET.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	502 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	503 FlagStatus IOE_GetGITStatus(uint8_t DeviceAddr, uint8_t Global_IT)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	504 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	505 __IO uint8_t tmp = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	506
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	507 /* get the Interrupt status */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	508 tmp = I2C_ReadDeviceRegister(DeviceAddr, IOE_REG_INT_STA);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	509
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	510 if ((tmp & (uint8_t)Global_IT) != 0)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	511 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	512 return SET;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	513 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	514 else
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	515 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	516 return RESET;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	517 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	518 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	519
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	520 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	521 * @brief Clears the selected Global interrupt pending bit(s)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	522 * @param DeviceAddr: The address of the IOExpander, could be : IOE_1_ADDR
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	523 * or IOE_2_ADDR.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	524 * @param Global_IT: the Global interrupt to be cleared, could be any combination
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	525 * of the following values:
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	526 * @arg Global_IT_GPIO : All IOs interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	527 * @arg Global_IT_ADC : ADC interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	528 * @arg Global_IT_TEMP : Temperature Sensor interrupts
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	529 * @arg Global_IT_FE : Touch Screen Controller FIFO Error interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	530 * @arg Global_IT_FF : Touch Screen Controller FIFO Full interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	531 * @arg Global_IT_FOV : Touch Screen Controller FIFO Overrun interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	532 * @arg Global_IT_FTH : Touch Screen Controller FIFO Threshold interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	533 * @arg Global_IT_TOUCH : Touch Screen Controller Touch Detected interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	534 * @retval IOE_OK: if all initializations are OK. Other value if error.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	535 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	536 uint8_t IOE_ClearGITPending(uint8_t DeviceAddr, uint8_t Global_IT)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	537 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	538 /* Write 1 to the bits that have to be cleared */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	539 I2C_WriteDeviceRegister(DeviceAddr, IOE_REG_INT_STA, Global_IT);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	540
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	541 /* If all OK return IOE_OK */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	542 return IOE_OK;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	543 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	544
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	545 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	546 * @brief Checks the status of the selected IO interrupt pending bit
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	547 * @param DeviceAddr: The address of the IOExpander, could be : IOE_1_ADDR
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	548 * or IOE_2_ADDR.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	549 * @param IO_IT: the IO interrupt to be checked could be IO_ITx Where x can be
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	550 * from 0 to 7.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	551 * @retval Status of the checked flag. Could be SET or RESET.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	552 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	553 FlagStatus IOE_GetIOITStatus(uint8_t DeviceAddr, uint8_t IO_IT)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	554 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	555 uint8_t tmp = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	556
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	557 /* get the Interrupt status */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	558 tmp = I2C_ReadDeviceRegister(DeviceAddr, IOE_REG_GPIO_INT_STA);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	559
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	560 if ((tmp & (uint8_t)IO_IT) != 0)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	561 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	562 return SET;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	563 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	564 else
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	565 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	566 return RESET;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	567 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	568 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	569
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	570 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	571 * @brief Clears the selected IO interrupt pending bit(s).
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	572 * @param DeviceAddr: The address of the IOExpander, could be : IOE_1_ADDR
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	573 * or IOE_2_ADDR.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	574 * @param IO_IT: the IO interrupt to be checked could be IO_ITx Where x can be
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	575 * from 0 to 7.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	576 * @retval IOE_OK: if all initializations are OK. Other value if error.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	577 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	578 uint8_t IOE_ClearIOITPending(uint8_t DeviceAddr, uint8_t IO_IT)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	579 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	580 /* Write 1 to the bits that have to be cleared */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	581 I2C_WriteDeviceRegister(DeviceAddr, IOE_REG_GPIO_INT_STA, IO_IT);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	582
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	583 /* Clear the Edge detection pending bit*/
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	584 I2C_WriteDeviceRegister(IOE_2_ADDR, IOE_REG_GPIO_ED, IO_IT);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	585
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	586 /* Clear the Rising edge pending bit */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	587 I2C_WriteDeviceRegister(IOE_2_ADDR, IOE_REG_GPIO_RE, IO_IT);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	588
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	589 /* Clear the Falling edge pending bit */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	590 I2C_WriteDeviceRegister(IOE_2_ADDR, IOE_REG_GPIO_FE, IO_IT);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	591
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	592 /* If all OK return IOE_OK */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	593 return IOE_OK;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	594 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	595
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	596 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	597 * @brief Checks if the selected device is correctly configured and
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	598 * communicates correctly ont the I2C bus.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	599 * @param DeviceAddr: The address of the IOExpander, could be : IOE_1_ADDR
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	600 * or IOE_2_ADDR.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	601 * @retval IOE_OK if IOE is operational. Other value if failure.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	602 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	603 uint8_t IOE_IsOperational(uint8_t DeviceAddr)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	604 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	605 /* Return Error if the ID is not correct */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	606 if( IOE_ReadID(DeviceAddr) != (uint16_t)STMPE811_ID )
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	607 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	608 /* Check if a Timeout occured */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	609 if (IOE_TimeOut == 0)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	610 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	611 return (IOE_TimeoutUserCallback());
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	612 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	613 else
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	614 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	615 return IOE_FAILURE; /* ID is not Correct */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	616 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	617 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	618 else
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	619 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	620 return IOE_OK; /* ID is correct */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	621 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	622 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	623
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	624 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	625 * @brief Resets the IO Expander by Software (SYS_CTRL1, RESET bit).
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	626 * @param DeviceAddr: The address of the IOExpander, could be : IOE_1_ADDR
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	627 * or IOE_2_ADDR.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	628 * @retval IOE_OK: if all initializations are OK. Other value if error.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	629 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	630 uint8_t IOE_Reset(uint8_t DeviceAddr)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	631 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	632 /* Power Down the IO_Expander */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	633 I2C_WriteDeviceRegister(DeviceAddr, IOE_REG_SYS_CTRL1, 0x02);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	634
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	635 /* wait for a delay to insure registers erasing */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	636 _delay_(2);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	637
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	638 /* Power On the Codec after the power off => all registers are reinitialized*/
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	639 I2C_WriteDeviceRegister(DeviceAddr, IOE_REG_SYS_CTRL1, 0x00);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	640
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	641 /* If all OK return IOE_OK */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	642 return IOE_OK;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	643 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	644
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	645 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	646 * @brief Reads the selected device's ID.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	647 * @param DeviceAddr: The address of the IOExpander, could be : IOE_1_ADDR
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	648 * or IOE_2_ADDR.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	649 * @retval The Device ID (two bytes).
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	650 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	651 uint16_t IOE_ReadID(uint8_t DeviceAddr)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	652 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	653 uint16_t tmp = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	654
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	655 /* Read device ID */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	656 tmp = I2C_ReadDeviceRegister(DeviceAddr, 0);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	657 tmp = (uint32_t)(tmp << 8);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	658 tmp \|= (uint32_t)I2C_ReadDeviceRegister(DeviceAddr, 1);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	659
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	660 /* Return the ID */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	661 return (uint16_t)tmp;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	662 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	663
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	664 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	665 * @brief Configures the selcted IO Expander functionalities.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	666 * @param DeviceAddr: The address of the IOExpander, could be : IOE_1_ADDR
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	667 * or IOE_2_ADDR.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	668 * @param IOE_TEMPSENS_FCT: the functions to be configured. could be any
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	669 * combination of the following values:
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	670 * @arg IOE_IO_FCT : IO function
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	671 * @arg IOE_TS_FCT : Touch Screen function
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	672 * @arg IOE_ADC_FCT : ADC function
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	673 * @arg IOE_TEMPSENS_FCT : Tempreature Sensor function
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	674 * @retval IOE_OK: if all initializations are OK. Other value if error.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	675 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	676 uint8_t IOE_FnctCmd(uint8_t DeviceAddr, uint8_t Fct, FunctionalState NewState)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	677 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	678 uint8_t tmp = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	679
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	680 /* Get the register value */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	681 tmp = I2C_ReadDeviceRegister(DeviceAddr, IOE_REG_SYS_CTRL2);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	682
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	683 if (NewState != DISABLE)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	684 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	685 /* Set the Functionalities to be Enabled */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	686 tmp &= ~(uint8_t)Fct;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	687 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	688 else
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	689 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	690 /* Set the Functionalities to be Disabled */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	691 tmp \|= (uint8_t)Fct;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	692 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	693
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	694 /* Set the register value */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	695 I2C_WriteDeviceRegister(DeviceAddr, IOE_REG_SYS_CTRL2, tmp);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	696
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	697 /* If all OK return IOE_OK */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	698 return IOE_OK;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	699 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	700
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	701 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	702 * @brief Configures the selected pin direction (to be an input or an output)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	703 * @param DeviceAddr: The address of the IOExpander, could be : IOE_1_ADDR
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	704 * or IOE_2_ADDR.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	705 * @param IO_Pin: IO_Pin_x: Where x can be from 0 to 7.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	706 * @param Direction: could be Direction_IN or Direction_OUT.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	707 * @retval IOE_OK: if all initializations are OK. Other value if error.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	708 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	709 uint8_t IOE_IOPinConfig(uint8_t DeviceAddr, uint8_t IO_Pin, uint8_t Direction)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	710 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	711 uint8_t tmp = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	712
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	713 /* Get all the Pins direction */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	714 tmp = I2C_ReadDeviceRegister(DeviceAddr, IOE_REG_GPIO_DIR);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	715
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	716 if (Direction != Direction_IN)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	717 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	718 tmp \|= (uint8_t)IO_Pin;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	719 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	720 else
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	721 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	722 tmp &= ~(uint8_t)IO_Pin;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	723 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	724
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	725 /* Write the register new value */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	726 I2C_WriteDeviceRegister(DeviceAddr, IOE_REG_GPIO_DIR, tmp);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	727
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	728 /* If all OK return IOE_OK */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	729 return IOE_OK;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	730 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	731
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	732 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	733 * @brief Enables or disables the Global interrupt.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	734 * @param DeviceAddr: The address of the IOExpander, could be :I OE_1_ADDR
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	735 * or IOE_2_ADDR.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	736 * @param NewState: could be ENABLE or DISABLE.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	737 * @retval IOE_OK: if all initializations are OK. Other value if error.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	738 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	739 uint8_t IOE_GITCmd(uint8_t DeviceAddr, FunctionalState NewState)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	740 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	741 uint8_t tmp = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	742
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	743 /* Read the Interrupt Control register */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	744 I2C_ReadDeviceRegister(DeviceAddr, IOE_REG_INT_CTRL);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	745
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	746 if (NewState != DISABLE)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	747 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	748 /* Set the global interrupts to be Enabled */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	749 tmp \|= (uint8_t)IOE_GIT_EN;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	750 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	751 else
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	752 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	753 /* Set the global interrupts to be Disabled */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	754 tmp &= ~(uint8_t)IOE_GIT_EN;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	755 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	756
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	757 /* Write Back the Interrupt Control register */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	758 I2C_WriteDeviceRegister(DeviceAddr, IOE_REG_INT_CTRL, tmp);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	759
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	760 /* If all OK return IOE_OK */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	761 return IOE_OK;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	762 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	763
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	764 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	765 * @brief Configures the selected source to generate or not a global interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	766 * @param DeviceAddr: The address of the IOExpander, could be : IOE_1_ADDR
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	767 * or IOE_2_ADDR.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	768 * @param Global_IT: the interrupt source to be configured, could be:
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	769 * @arg Global_IT_GPIO : All IOs interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	770 * @arg Global_IT_ADC : ADC interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	771 * @arg Global_IT_TEMP : Temperature Sensor interrupts
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	772 * @arg Global_IT_FE : Touch Screen Controller FIFO Error interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	773 * @arg Global_IT_FF : Touch Screen Controller FIFO Full interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	774 * @arg Global_IT_FOV : Touch Screen Controller FIFO Overrun interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	775 * @arg Global_IT_FTH : Touch Screen Controller FIFO Threshold interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	776 * @arg Global_IT_TOUCH : Touch Screen Controller Touch Detected interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	777 * @retval IOE_OK: if all initializations are OK. Other value if error.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	778 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	779 uint8_t IOE_GITConfig(uint8_t DeviceAddr, uint8_t Global_IT, FunctionalState NewState)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	780 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	781 uint8_t tmp = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	782
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	783 /* Get the current value of the INT_EN register */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	784 tmp = I2C_ReadDeviceRegister(DeviceAddr, IOE_REG_INT_EN);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	785
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	786 if (NewState != DISABLE)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	787 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	788 /* Set the interrupts to be Enabled */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	789 tmp \|= (uint8_t)Global_IT;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	790 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	791 else
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	792 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	793 /* Set the interrupts to be Disabled */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	794 tmp &= ~(uint8_t)Global_IT;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	795 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	796 /* Set the register */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	797 I2C_WriteDeviceRegister(DeviceAddr, IOE_REG_INT_EN, tmp);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	798
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	799 /* If all OK return IOE_OK */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	800 return IOE_OK;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	801 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	802
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	803 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	804 * @brief Configures the selected pins to generate an interrupt or not.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	805 * @param DeviceAddr: The address of the IOExpander, could be : IOE_1_ADDR
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	806 * or IOE_2_ADDR.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	807 * @param IO_IT: The IO interrupt to be configured. This parameter could be any
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	808 * combination of the following values:
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	809 * @arg IO_IT_x: where x can be from 0 to 7.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	810 * @param NewState: could be ENABLE or DISABLE.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	811 * @retval IOE_OK: if all initializations are OK. Other value if error.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	812 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	813 uint8_t IOE_IOITConfig(uint8_t DeviceAddr, uint8_t IO_IT, FunctionalState NewState)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	814 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	815 uint8_t tmp = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	816
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	817 tmp = I2C_ReadDeviceRegister(DeviceAddr, IOE_REG_GPIO_INT_EN);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	818
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	819 if (NewState != DISABLE)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	820 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	821 /* Set the interrupts to be Enabled */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	822 tmp \|= (uint8_t)IO_IT;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	823 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	824 else
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	825 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	826 /* Set the interrupts to be Disabled */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	827 tmp &= ~(uint8_t)IO_IT;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	828 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	829
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	830 /* Set the register */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	831 I2C_WriteDeviceRegister(DeviceAddr, IOE_REG_GPIO_INT_EN, tmp);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	832
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	833 /* If all OK return IOE_OK */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	834 return IOE_OK;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	835 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	836
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	837 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	838 * @brief Configures the touch Screen Controller (Single point detection)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	839 * @param None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	840 * @retval IOE_OK if all initializations are OK. Other value if error.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	841 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	842 uint8_t IOE_TS_Config(void)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	843 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	844 uint8_t tmp = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	845
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	846 /* Enable TSC Fct: already done in IOE_Config */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	847 tmp = I2C_ReadDeviceRegister(IOE_1_ADDR, IOE_REG_SYS_CTRL2);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	848 tmp &= ~(uint32_t)(IOE_TS_FCT \| IOE_ADC_FCT);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	849 I2C_WriteDeviceRegister(IOE_1_ADDR, IOE_REG_SYS_CTRL2, tmp);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	850
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	851 /* Enable the TSC gloabl interrupts */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	852 tmp = I2C_ReadDeviceRegister(IOE_1_ADDR, IOE_REG_INT_EN);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	853 tmp \|= (uint32_t)(IOE_GIT_TOUCH \| IOE_GIT_FTH \| IOE_GIT_FOV);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	854 I2C_WriteDeviceRegister(IOE_1_ADDR, IOE_REG_INT_EN, tmp);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	855
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	856 /* Select Sample Time, bit number and ADC Reference */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	857 I2C_WriteDeviceRegister(IOE_1_ADDR, IOE_REG_ADC_CTRL1, 0x49);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	858
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	859 /* Wait for ~20 ms */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	860 _delay_(2);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	861
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	862 /* Select the ADC clock speed: 3.25 MHz */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	863 I2C_WriteDeviceRegister(IOE_1_ADDR, IOE_REG_ADC_CTRL2, 0x01);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	864
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	865 /* Select TSC pins in non default mode */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	866 tmp = I2C_ReadDeviceRegister(IOE_1_ADDR, IOE_REG_GPIO_AF);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	867 tmp &= ~(uint8_t)TOUCH_IO_ALL;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	868 I2C_WriteDeviceRegister(IOE_1_ADDR, IOE_REG_GPIO_AF, tmp);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	869
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	870 /* Select 2 nF filter capacitor */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	871 I2C_WriteDeviceRegister(IOE_1_ADDR, IOE_REG_TSC_CFG, 0x9A);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	872
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	873 /* Select single point reading */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	874 I2C_WriteDeviceRegister(IOE_1_ADDR, IOE_REG_FIFO_TH, 0x01);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	875
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	876 /* Write 0x01 to clear the FIFO memory content. */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	877 I2C_WriteDeviceRegister(IOE_1_ADDR, IOE_REG_FIFO_STA, 0x01);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	878
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	879 /* Write 0x00 to put the FIFO back into operation mode */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	880 I2C_WriteDeviceRegister(IOE_1_ADDR, IOE_REG_FIFO_STA, 0x00);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	881
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	882 /* set the data format for Z value: 7 fractional part and 1 whole part */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	883 I2C_WriteDeviceRegister(IOE_1_ADDR, IOE_REG_TSC_FRACT_XYZ, 0x01);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	884
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	885 /* set the driving capability of the device for TSC pins: 50mA */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	886 I2C_WriteDeviceRegister(IOE_1_ADDR, IOE_REG_TSC_I_DRIVE, 0x01);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	887
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	888 /* Use no tracking index, touchscreen controller operation mode (XYZ) and
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	889 enable the TSC */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	890 I2C_WriteDeviceRegister(IOE_1_ADDR, IOE_REG_TSC_CTRL, 0x01);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	891
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	892 /* Clear all the status pending bits */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	893 I2C_WriteDeviceRegister(IOE_1_ADDR, IOE_REG_INT_STA, 0xFF);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	894
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	895 /* Initialize the TS structure to their default values */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	896 TS_State.TouchDetected = TS_State.X = TS_State.Y = TS_State.Z = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	897
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	898 /* All configuration done */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	899 return IOE_OK;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	900 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	901
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	902 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	903 * @brief Configures and enables the Temperature sensor module.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	904 * @param None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	905 * @retval IOE_OK if all initializations are OK. Other value if error.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	906 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	907 uint8_t IOE_TempSens_Config(void)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	908 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	909 __IO uint8_t tmp = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	910
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	911 /* Enable Temperature Sensor Fct: already done in IOE_Config */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	912 tmp = I2C_ReadDeviceRegister(IOE_2_ADDR, IOE_REG_SYS_CTRL2);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	913 tmp &= ~(uint32_t)(IOE_TEMPSENS_FCT \| IOE_ADC_FCT);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	914 I2C_WriteDeviceRegister(IOE_2_ADDR, IOE_REG_SYS_CTRL2, tmp);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	915
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	916 /* Enable the TEMPSENS module */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	917 I2C_WriteDeviceRegister(IOE_2_ADDR, IOE_REG_TEMP_CTRL, 0x01);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	918
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	919 /* Aquire data enable */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	920 I2C_WriteDeviceRegister(IOE_2_ADDR, IOE_REG_TEMP_CTRL, 0x3);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	921
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	922 /* All configuration done */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	923 return IOE_OK;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	924 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	925
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	926 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	927 * @brief Configures the selected pin to be in Alternate function or not
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	928 * @param DeviceAddr: The address of the IOExpander, could be : IOE_1_ADDR
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	929 * or IOE_2_ADDR.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	930 * @param IO_Pin: IO_Pin_x, Where x can be from 0 to 7.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	931 * @param NewState: State of the AF for the selected pin, could be
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	932 * ENABLE or DISABLE.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	933 * @retval IOE_OK: if all initializations are OK. Other value if error.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	934 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	935 uint8_t IOE_IOAFConfig(uint8_t DeviceAddr, uint8_t IO_Pin, FunctionalState NewState)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	936 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	937 uint8_t tmp = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	938
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	939 /* Get the current state of the GPIO_AF register */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	940 tmp = I2C_ReadDeviceRegister(DeviceAddr, IOE_REG_GPIO_AF);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	941
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	942 if (NewState != DISABLE)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	943 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	944 /* Enable the selected pins alternate function */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	945 tmp \|= (uint8_t)IO_Pin;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	946 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	947 else
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	948 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	949 /* Disable the selected pins alternate function */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	950 tmp &= ~(uint8_t)IO_Pin;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	951 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	952
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	953 /* Write back the new valu in GPIO_AF register */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	954 I2C_WriteDeviceRegister(DeviceAddr, IOE_REG_GPIO_AF, tmp);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	955
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	956 /* If all OK return IOE_OK */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	957 return IOE_OK;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	958 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	959
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	960 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	961 * @brief Configures the Edge for which a transition is detectable for the
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	962 * the selected pin.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	963 * @param DeviceAddr: The address of the IOExpander, could be : IOE_1_ADDR
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	964 * or IOE_2_ADDR.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	965 * @param IO_Pin: IO_Pin_x, Where x can be from 0 to 7.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	966 * @param Edge: The edge which will be detected. This parameter can be one or a
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	967 * a combination of follwing values: EDGE_FALLING and EDGE_RISING .
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	968 * @retval IOE_OK: if all initializations are OK. Other value if error.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	969 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	970 uint8_t IOE_IOEdgeConfig(uint8_t DeviceAddr, uint8_t IO_Pin, uint8_t Edge)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	971 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	972 uint8_t tmp1 = 0, tmp2 = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	973
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	974 /* Get the registers values */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	975 tmp1 = I2C_ReadDeviceRegister(DeviceAddr, IOE_REG_GPIO_FE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	976 tmp2 = I2C_ReadDeviceRegister(DeviceAddr, IOE_REG_GPIO_RE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	977
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	978 /* Disable the Falling Edge */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	979 tmp1 &= ~(uint8_t)IO_Pin;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	980 /* Disable the Falling Edge */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	981 tmp2 &= ~(uint8_t)IO_Pin;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	982
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	983 /* Enable the Falling edge if selected */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	984 if (Edge & EDGE_FALLING)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	985 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	986 tmp1 \|= (uint8_t)IO_Pin;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	987 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	988
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	989 /* Enable the Rising edge if selected */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	990 if (Edge & EDGE_RISING)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	991 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	992 tmp2 \|= (uint8_t)IO_Pin;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	993 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	994
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	995 /* Write back the registers values */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	996 I2C_WriteDeviceRegister(DeviceAddr, IOE_REG_GPIO_FE, tmp1);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	997 I2C_WriteDeviceRegister(DeviceAddr, IOE_REG_GPIO_RE, tmp2);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	998
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	999 /* if OK return 0 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1000 return IOE_OK;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1001 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1002
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1003 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1004 * @brief Configures the Interrupt line active state and format (level/edge)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1005 * @param Polarity: could be
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1006 * @arg Polarity_Low: Interrupt line is active Low/Falling edge
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1007 * @arg Polarity_High: Interrupt line is active High/Rising edge
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1008 * @param Type: Interrupt line activity type, could be one of the following values
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1009 * @arg Type_Level: Interrupt line is active in level model
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1010 * @arg Type_Edge: Interrupt line is active in edge model
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1011 * @retval IOE_OK: if all initializations are OK. Other value if error.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1012 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1013 uint8_t IOE_ITOutConfig(uint8_t Polarity, uint8_t Type)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1014 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1015 uint8_t tmp = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1016
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1017 /* Get the register IOE_REG_INT_CTRL value */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1018 tmp = I2C_ReadDeviceRegister(IOE_1_ADDR, IOE_REG_INT_CTRL);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1019
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1020 /* Mask the polarity and type bits */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1021 tmp &= ~(uint8_t)0x06;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1022
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1023 /* Modify the Interrupt Output line configuration */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1024 tmp \|= (uint8_t)(Polarity \| Type);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1025
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1026 /* Set the register */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1027 I2C_WriteDeviceRegister(IOE_1_ADDR, IOE_REG_INT_CTRL, tmp);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1028
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1029
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1030 /* Get the register IOE_REG_INT_CTRL value */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1031 tmp = I2C_ReadDeviceRegister(IOE_2_ADDR, IOE_REG_INT_CTRL);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1032 /* Mask the polarity and type bits */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1033 tmp &= ~(uint8_t)0x06;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1034
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1035 /* Modify the Interrupt Output line configuration */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1036 tmp \|= (uint8_t)(Polarity \| Type);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1037
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1038 /* Set the register */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1039 I2C_WriteDeviceRegister(IOE_2_ADDR, IOE_REG_INT_CTRL, tmp);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1040
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1041 /* If all OK return IOE_OK */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1042 return IOE_OK;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1043 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1044
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1045 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1046 * @brief Writes a value in a register of the device through I2C.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1047 * @param DeviceAddr: The address of the IOExpander, could be : IOE_1_ADDR
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1048 * or IOE_2_ADDR.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1049 * @param RegisterAddr: The target register adress
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1050 * @param RegisterValue: The target register value to be written
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1051 * @retval IOE_OK: if all operations are OK. Other value if error.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1052 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1053 uint8_t I2C_WriteDeviceRegister(uint8_t DeviceAddr, uint8_t RegisterAddr, uint8_t RegisterValue)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1054 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1055 uint32_t read_verif = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1056 uint8_t IOE_BufferTX = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1057
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1058 /* Get Value to be written */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1059 IOE_BufferTX = RegisterValue;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1060
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1061 /* Configure DMA Peripheral */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1062 IOE_DMA_Config(IOE_DMA_TX, (uint8_t*)(&IOE_BufferTX));
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1063
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1064 /* Enable the I2C peripheral */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1065 I2C_GenerateSTART(IOE_I2C, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1066
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1067 /* Test on SB Flag */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1068 IOE_TimeOut = TIMEOUT_MAX;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1069 while (I2C_GetFlagStatus(IOE_I2C,I2C_FLAG_SB) == RESET)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1070 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1071 if (IOE_TimeOut-- == 0) return(IOE_TimeoutUserCallback());
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1072 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1073
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1074 /* Transmit the slave address and enable writing operation */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1075 I2C_Send7bitAddress(IOE_I2C, DeviceAddr, I2C_Direction_Transmitter);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1076
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1077 /* Test on ADDR Flag */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1078 IOE_TimeOut = TIMEOUT_MAX;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1079 while (!I2C_CheckEvent(IOE_I2C, I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1080 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1081 if (IOE_TimeOut-- == 0) return(IOE_TimeoutUserCallback());
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1082 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1083
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1084 /* Transmit the first address for r/w operations */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1085 I2C_SendData(IOE_I2C, RegisterAddr);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1086
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1087 /* Test on TXE FLag (data dent) */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1088 IOE_TimeOut = TIMEOUT_MAX;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1089 while ((!I2C_GetFlagStatus(IOE_I2C,I2C_FLAG_TXE)) && (!I2C_GetFlagStatus(IOE_I2C,I2C_FLAG_BTF)))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1090 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1091 if (IOE_TimeOut-- == 0) return(IOE_TimeoutUserCallback());
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1092 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1093
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1094 /* Enable I2C DMA request */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1095 I2C_DMACmd(IOE_I2C,ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1096
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1097 /* Enable DMA TX Channel */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1098 DMA_Cmd(IOE_DMA_TX_CHANNEL, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1099
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1100 /* Wait until DMA Transfer Complete */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1101 IOE_TimeOut = TIMEOUT_MAX;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1102 while (!DMA_GetFlagStatus(IOE_DMA_TX_TCFLAG))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1103 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1104 if (IOE_TimeOut-- == 0) return(IOE_TimeoutUserCallback());
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1105 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1106
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1107 /* Wait until BTF Flag is set before generating STOP */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1108 IOE_TimeOut = 2 * TIMEOUT_MAX;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1109 while ((!I2C_GetFlagStatus(IOE_I2C,I2C_FLAG_BTF)))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1110 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1111 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1112
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1113 /* Send STOP Condition */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1114 I2C_GenerateSTOP(IOE_I2C, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1115
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1116 /* Disable DMA TX Channel */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1117 DMA_Cmd(IOE_DMA_TX_CHANNEL, DISABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1118
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1119 /* Disable I2C DMA request */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1120 I2C_DMACmd(IOE_I2C,DISABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1121
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1122 /* Clear DMA TX Transfer Complete Flag */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1123 DMA_ClearFlag(IOE_DMA_TX_TCFLAG);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1124
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1125 #ifdef VERIFY_WRITTENDATA
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1126 /* Verify (if needed) that the loaded data is correct */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1127
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1128 /* Read the just written register*/
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1129 read_verif = I2C_ReadDeviceRegister(DeviceAddr, RegisterAddr);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1130 /* Load the register and verify its value */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1131 if (read_verif != RegisterValue)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1132 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1133 /* Control data wrongly tranfered */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1134 read_verif = IOE_FAILURE;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1135 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1136 else
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1137 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1138 /* Control data correctly transfered */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1139 read_verif = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1140 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1141 #endif
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1142
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1143 /* Return the verifying value: 0 (Passed) or 1 (Failed) */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1144 return read_verif;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1145 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1146
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1147 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1148 * @brief Reads a register of the device through I2C.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1149 * @param DeviceAddr: The address of the device, could be : IOE_1_ADDR
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1150 * or IOE_2_ADDR.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1151 * @param RegisterAddr: The target register adress (between 00x and 0x24)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1152 * @retval The value of the read register (0xAA if Timout occured)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1153 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1154 uint8_t I2C_ReadDeviceRegister(uint8_t DeviceAddr, uint8_t RegisterAddr)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1155 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1156 uint8_t IOE_BufferRX[2] = {0x00, 0x00};
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1157
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1158 /* Configure DMA Peripheral */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1159 IOE_DMA_Config(IOE_DMA_RX, (uint8_t*)IOE_BufferRX);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1160
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1161 /* Enable DMA NACK automatic generation */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1162 I2C_DMALastTransferCmd(IOE_I2C, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1163
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1164 /* Enable the I2C peripheral */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1165 I2C_GenerateSTART(IOE_I2C, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1166
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1167 /* Test on SB Flag */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1168 IOE_TimeOut = TIMEOUT_MAX;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1169 while (!I2C_GetFlagStatus(IOE_I2C,I2C_FLAG_SB))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1170 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1171 if (IOE_TimeOut-- == 0) return(IOE_TimeoutUserCallback());
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1172 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1173
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1174 /* Send device address for write */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1175 I2C_Send7bitAddress(IOE_I2C, DeviceAddr, I2C_Direction_Transmitter);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1176
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1177 /* Test on ADDR Flag */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1178 IOE_TimeOut = TIMEOUT_MAX;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1179 while (!I2C_CheckEvent(IOE_I2C, I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1180 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1181 if (IOE_TimeOut-- == 0) return(IOE_TimeoutUserCallback());
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1182 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1183
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1184 /* Send the device's internal address to write to */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1185 I2C_SendData(IOE_I2C, RegisterAddr);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1186
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1187 /* Test on TXE FLag (data dent) */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1188 IOE_TimeOut = TIMEOUT_MAX;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1189 while ((!I2C_GetFlagStatus(IOE_I2C,I2C_FLAG_TXE)) && (!I2C_GetFlagStatus(IOE_I2C,I2C_FLAG_BTF)))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1190 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1191 if (IOE_TimeOut-- == 0) return(IOE_TimeoutUserCallback());
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1192 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1193
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1194 /* Send START condition a second time */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1195 I2C_GenerateSTART(IOE_I2C, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1196
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1197 /* Test on SB Flag */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1198 IOE_TimeOut = TIMEOUT_MAX;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1199 while (!I2C_GetFlagStatus(IOE_I2C,I2C_FLAG_SB))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1200 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1201 if (IOE_TimeOut-- == 0) return(IOE_TimeoutUserCallback());
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1202 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1203
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1204 /* Send IOExpander address for read */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1205 I2C_Send7bitAddress(IOE_I2C, DeviceAddr, I2C_Direction_Receiver);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1206
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1207 /* Test on ADDR Flag */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1208 IOE_TimeOut = TIMEOUT_MAX;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1209 while (!I2C_CheckEvent(IOE_I2C, I2C_EVENT_MASTER_RECEIVER_MODE_SELECTED))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1210 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1211 if (IOE_TimeOut-- == 0) return(IOE_TimeoutUserCallback());
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1212 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1213
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1214 /* Enable I2C DMA request */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1215 I2C_DMACmd(IOE_I2C,ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1216
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1217 /* Enable DMA RX Channel */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1218 DMA_Cmd(IOE_DMA_RX_CHANNEL, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1219
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1220 /* Wait until DMA Transfer Complete */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1221 IOE_TimeOut = 2 * TIMEOUT_MAX;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1222 while (!DMA_GetFlagStatus(IOE_DMA_RX_TCFLAG))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1223 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1224 if (IOE_TimeOut-- == 0) return(IOE_TimeoutUserCallback());
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1225 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1226
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1227 /* Send STOP Condition */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1228 I2C_GenerateSTOP(IOE_I2C, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1229
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1230 /* Disable DMA RX Channel */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1231 DMA_Cmd(IOE_DMA_RX_CHANNEL, DISABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1232
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1233 /* Disable I2C DMA request */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1234 I2C_DMACmd(IOE_I2C,DISABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1235
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1236 /* Clear DMA RX Transfer Complete Flag */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1237 DMA_ClearFlag(IOE_DMA_RX_TCFLAG);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1238
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1239 /* return a pointer to the IOE_Buffer */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1240 return (uint8_t)IOE_BufferRX[0];
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1241 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1242
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1243
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1244 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1245 * @brief Reads a buffer of 2 bytes from the device registers.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1246 * @param DeviceAddr: The address of the device, could be : IOE_1_ADDR
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1247 * or IOE_2_ADDR.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1248 * @param RegisterAddr: The target register adress (between 00x and 0x24)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1249 * @retval A pointer to the buffer containing the two returned bytes (in halfword).
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1250 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1251 uint16_t I2C_ReadDataBuffer(uint8_t DeviceAddr, uint32_t RegisterAddr)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1252 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1253 uint8_t tmp= 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1254 uint8_t IOE_BufferRX[2] = {0x00, 0x00};
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1255
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1256 /* Configure DMA Peripheral */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1257 IOE_DMA_Config(IOE_DMA_RX, (uint8_t*)IOE_BufferRX);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1258
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1259 /* Enable DMA NACK automatic generation */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1260 I2C_DMALastTransferCmd(IOE_I2C, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1261
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1262 /* Enable the I2C peripheral */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1263 I2C_GenerateSTART(IOE_I2C, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1264
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1265 /* Test on SB Flag */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1266 IOE_TimeOut = TIMEOUT_MAX;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1267 while (!I2C_GetFlagStatus(IOE_I2C,I2C_FLAG_SB))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1268 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1269 if (IOE_TimeOut-- == 0) return(IOE_TimeoutUserCallback());
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1270 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1271
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1272 /* Send device address for write */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1273 I2C_Send7bitAddress(IOE_I2C, DeviceAddr, I2C_Direction_Transmitter);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1274
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1275 /* Test on ADDR Flag */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1276 IOE_TimeOut = TIMEOUT_MAX;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1277 while (!I2C_CheckEvent(IOE_I2C, I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1278 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1279 if (IOE_TimeOut-- == 0) return(IOE_TimeoutUserCallback());
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1280 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1281
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1282 /* Send the device's internal address to write to */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1283 I2C_SendData(IOE_I2C, RegisterAddr);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1284
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1285 /* Test on TXE FLag (data dent) */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1286 IOE_TimeOut = TIMEOUT_MAX;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1287 while ((!I2C_GetFlagStatus(IOE_I2C,I2C_FLAG_TXE)) && (!I2C_GetFlagStatus(IOE_I2C,I2C_FLAG_BTF)))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1288 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1289 if (IOE_TimeOut-- == 0) return(IOE_TimeoutUserCallback());
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1290 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1291
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1292 /* Send START condition a second time */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1293 I2C_GenerateSTART(IOE_I2C, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1294
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1295 /* Test on SB Flag */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1296 IOE_TimeOut = TIMEOUT_MAX;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1297 while (!I2C_GetFlagStatus(IOE_I2C,I2C_FLAG_SB))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1298 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1299 if (IOE_TimeOut-- == 0) return(IOE_TimeoutUserCallback());
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1300 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1301
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1302 /* Send IOExpander address for read */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1303 I2C_Send7bitAddress(IOE_I2C, DeviceAddr, I2C_Direction_Receiver);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1304
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1305 /* Test on ADDR Flag */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1306 IOE_TimeOut = TIMEOUT_MAX;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1307 while (!I2C_CheckEvent(IOE_I2C, I2C_EVENT_MASTER_RECEIVER_MODE_SELECTED))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1308 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1309 if (IOE_TimeOut-- == 0) return(IOE_TimeoutUserCallback());
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1310 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1311
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1312 /* Enable I2C DMA request */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1313 I2C_DMACmd(IOE_I2C,ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1314
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1315 /* Enable DMA RX Channel */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1316 DMA_Cmd(IOE_DMA_RX_CHANNEL, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1317
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1318 /* Wait until DMA Transfer Complete */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1319 IOE_TimeOut = 2 * TIMEOUT_MAX;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1320 while (!DMA_GetFlagStatus(IOE_DMA_RX_TCFLAG))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1321 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1322 if (IOE_TimeOut-- == 0) return(IOE_TimeoutUserCallback());
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1323 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1324
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1325 /* Send STOP Condition */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1326 I2C_GenerateSTOP(IOE_I2C, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1327
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1328 /* Disable DMA RX Channel */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1329 DMA_Cmd(IOE_DMA_RX_CHANNEL, DISABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1330
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1331 /* Disable I2C DMA request */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1332 I2C_DMACmd(IOE_I2C,DISABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1333
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1334 /* Clear DMA RX Transfer Complete Flag */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1335 DMA_ClearFlag(IOE_DMA_RX_TCFLAG);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1336
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1337 /* Reorganize received data */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1338 tmp = IOE_BufferRX[0];
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1339 IOE_BufferRX[0] = IOE_BufferRX[1];
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1340 IOE_BufferRX[1] = tmp;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1341
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1342 /* return a pointer to the IOE_Buffer */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1343 return (uint16_t )IOE_BufferRX;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1344 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1345
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1346 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1347 * @brief Return Touch Screen X position value
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1348 * @param None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1349 * @retval X position.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1350 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1351 static uint16_t IOE_TS_Read_X(void)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1352 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1353 int32_t x, xr;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1354
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1355 x = I2C_ReadDataBuffer(IOE_1_ADDR, IOE_REG_TSC_DATA_Y);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1356
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1357 /* first correction */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1358 xr = (x * 320) >> 12;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1359 /* second correction */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1360 xr = ((xr * 32)/29) - 17;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1361
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1362 if(xr <= 0)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1363 xr = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1364
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1365 return (uint16_t)(xr);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1366 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1367
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1368 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1369 * @brief Return Touch Screen Y position value
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1370 * @param None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1371 * @retval Y position.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1372 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1373 static uint16_t IOE_TS_Read_Y(void)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1374 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1375 int32_t y, yr;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1376 y= I2C_ReadDataBuffer(IOE_1_ADDR, IOE_REG_TSC_DATA_X);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1377
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1378 yr= (y * 240) >> 12;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1379 yr = ((yr * 240) / 217) - 12;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1380
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1381 if(yr <= 0)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1382 yr = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1383
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1384 return (uint16_t)(yr);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1385 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1386
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1387 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1388 * @brief Return Touch Screen Z position value
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1389 * @param None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1390 * @retval Z position.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1391 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1392 static uint16_t IOE_TS_Read_Z(void)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1393 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1394 uint32_t z;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1395 z = I2C_ReadDataBuffer(IOE_1_ADDR, IOE_REG_TSC_DATA_Z);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1396
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1397
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1398 if(z <= 0)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1399 z = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1400
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1401 return (uint16_t)(z);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1402 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1403
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1404 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1405 * @brief Initializes the GPIO pins used by the IO expander.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1406 * @param None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1407 * @retval None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1408 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1409 static void IOE_GPIO_Config(void)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1410 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1411 GPIO_InitTypeDef GPIO_InitStructure;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1412
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1413 /* Enable IOE_I2C and IOE_I2C_PORT & Alternate Function clocks */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1414 RCC_APB1PeriphClockCmd(IOE_I2C_CLK, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1415 RCC_APB2PeriphClockCmd(IOE_I2C_SCL_GPIO_CLK \| IOE_I2C_SDA_GPIO_CLK \| IOE_IT_GPIO_CLK
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1416 \| RCC_APB2Periph_AFIO, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1417
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1418 /* Reset IOE_I2C IP */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1419 RCC_APB1PeriphResetCmd(IOE_I2C_CLK, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1420
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1421 /* Release reset signal of IOE_I2C IP */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1422 RCC_APB1PeriphResetCmd(IOE_I2C_CLK, DISABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1423
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1424 /* IOE_I2C SCL and SDA pins configuration */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1425 GPIO_InitStructure.GPIO_Pin = IOE_I2C_SCL_PIN;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1426 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1427 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1428 GPIO_Init(IOE_I2C_SCL_GPIO_PORT, &GPIO_InitStructure);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1429
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1430 /* IOE_I2C SCL and SDA pins configuration */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1431 GPIO_InitStructure.GPIO_Pin = IOE_I2C_SDA_PIN;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1432 GPIO_Init(IOE_I2C_SDA_GPIO_PORT, &GPIO_InitStructure);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1433
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1434 /* Set EXTI pin as Input PullUp - IO_Expander_INT */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1435 GPIO_InitStructure.GPIO_Pin = IOE_IT_PIN;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1436 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1437 GPIO_Init(IOE_IT_GPIO_PORT, &GPIO_InitStructure);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1438
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1439 /* Connect IO Expander IT line to EXTI line */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1440 GPIO_EXTILineConfig(IOE_IT_EXTI_PORT_SOURCE, IOE_IT_EXTI_PIN_SOURCE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1441 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1442
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1443
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1444 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1445 * @brief Configure the I2C Peripheral used to communicate with IO_Expanders.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1446 * @param None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1447 * @retval None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1448 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1449 static void IOE_I2C_Config(void)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1450 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1451 I2C_InitTypeDef I2C_InitStructure;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1452
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1453 /* IOE_I2C configuration */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1454 I2C_InitStructure.I2C_Mode = I2C_Mode_I2C;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1455 I2C_InitStructure.I2C_DutyCycle = I2C_DutyCycle_2;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1456 I2C_InitStructure.I2C_OwnAddress1 = 0x00;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1457 I2C_InitStructure.I2C_Ack = I2C_Ack_Enable;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1458 I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1459 I2C_InitStructure.I2C_ClockSpeed = IOE_I2C_SPEED;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1460
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1461 I2C_Init(IOE_I2C, &I2C_InitStructure);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1462 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1463
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1464 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1465 * @brief Configure the DMA Peripheral used to handle communication via I2C.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1466 * @param None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1467 * @retval None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1468 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1469
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1470 static void IOE_DMA_Config(IOE_DMADirection_TypeDef Direction, uint8_t* buffer)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1471 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1472 DMA_InitTypeDef DMA_InitStructure;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1473
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1474 RCC_AHBPeriphClockCmd(IOE_DMA_CLK, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1475
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1476 /* Initialize the DMA_PeripheralBaseAddr member */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1477 DMA_InitStructure.DMA_PeripheralBaseAddr = IOE_I2C_DR;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1478 /* Initialize the DMA_MemoryBaseAddr member */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1479 DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)buffer;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1480 /* Initialize the DMA_PeripheralInc member */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1481 DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1482 /* Initialize the DMA_MemoryInc member */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1483 DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1484 /* Initialize the DMA_PeripheralDataSize member */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1485 DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1486 /* Initialize the DMA_MemoryDataSize member */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1487 DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1488 /* Initialize the DMA_Mode member */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1489 DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1490 /* Initialize the DMA_Priority member */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1491 DMA_InitStructure.DMA_Priority = DMA_Priority_VeryHigh;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1492 /* Initialize the DMA_M2M member */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1493 DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1494
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1495 /* If using DMA for Reception */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1496 if (Direction == IOE_DMA_RX)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1497 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1498 /* Initialize the DMA_DIR member */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1499 DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1500
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1501 /* Initialize the DMA_BufferSize member */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1502 DMA_InitStructure.DMA_BufferSize = 2;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1503
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1504 DMA_DeInit(IOE_DMA_RX_CHANNEL);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1505
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1506 DMA_Init(IOE_DMA_RX_CHANNEL, &DMA_InitStructure);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1507 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1508 /* If using DMA for Transmission */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1509 else if (Direction == IOE_DMA_TX)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1510 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1511 /* Initialize the DMA_DIR member */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1512 DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1513
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1514 /* Initialize the DMA_BufferSize member */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1515 DMA_InitStructure.DMA_BufferSize = 1;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1516
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1517 DMA_DeInit(IOE_DMA_TX_CHANNEL);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1518
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1519 DMA_Init(IOE_DMA_TX_CHANNEL, &DMA_InitStructure);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1520 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1521 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1522
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1523 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1524 * @brief Configures the IO expander Interrupt line and GPIO in EXTI mode.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1525 * @param None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1526 * @retval None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1527 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1528 static void IOE_EXTI_Config(void)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1529 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1530 GPIO_InitTypeDef GPIO_InitStructure;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1531 NVIC_InitTypeDef NVIC_InitStructure;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1532 EXTI_InitTypeDef EXTI_InitStructure;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1533
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1534 /* Enable Button GPIO clock */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1535 RCC_APB2PeriphClockCmd(IOE_IT_GPIO_CLK \| RCC_APB2Periph_AFIO, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1536
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1537 /* Configure Button pin as input floating */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1538 GPIO_InitStructure.GPIO_Pin = IOE_IT_PIN;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1539 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1540 GPIO_Init(IOE_IT_GPIO_PORT, &GPIO_InitStructure);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1541
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1542 /* Connect Button EXTI Line to Button GPIO Pin */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1543 GPIO_EXTILineConfig(IOE_IT_EXTI_PORT_SOURCE, IOE_IT_EXTI_PIN_SOURCE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1544
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1545 /* Configure Button EXTI line */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1546 EXTI_InitStructure.EXTI_Line = IOE_IT_EXTI_LINE;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1547 EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1548 EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising_Falling;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1549 EXTI_InitStructure.EXTI_LineCmd = ENABLE;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1550 EXTI_Init(&EXTI_InitStructure);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1551
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1552 /* Enable and set Button EXTI Interrupt to the lowest priority */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1553 NVIC_InitStructure.NVIC_IRQChannel = IOE_IT_EXTI_IRQn;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1554 NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1555 NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1556 NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1557 NVIC_Init(&NVIC_InitStructure);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1558 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1559
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1560 #ifndef USE_Delay
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1561 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1562 * @brief Inserts a delay time.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1563 * @param nCount: specifies the delay time length.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1564 * @retval None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1565 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1566 static void delay(__IO uint32_t nCount)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1567 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1568 __IO uint32_t index = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1569 for(index = (100000 * nCount); index != 0; index--)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1570 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1571 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1572 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1573 #endif /* USE_Delay*/
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1574 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1575 * @}
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1576 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1577
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1578 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1579 * @}
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1580 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1581
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1582 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1583 * @}
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1584 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1585
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1586 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1587 * @}
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1588 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1589
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1590 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1591 * @}
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1592 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1593
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1594 /***************** (C) COPYRIGHT 2011 STMicroelectronics *END OF FILE**/

Mercurial > ~darius > hgwebdir.cgi > stm32temp

annotate libs/STM32F10x_StdPeriph_Lib_V3.5.0/Utilities/STM32_EVAL/STM3210C_EVAL/stm3210c_eval_ioe.c @ 48:2f336d212c74